#include <stdio.h>
#include <stdlib.h>

int main(int argc,char * argv[])
{
  char  i[4096] ;
  char  y[100]="PWD";
  char  *p;
  p=getenv(y);
  printf("%s\n",p);
    /*while((i=getc(stdin))!=EOF)
    {
      putc(i-32,stdout);


      //printf("%c\n",i-32);
      //printf("%d\n",i);
      }*/
  return 0;
}
